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| geophys-package | Geophysics |
| annotatebox | Annotate Box |
| annotateplane | Annotate Plane |
| AXB.prod | Vector Cross Product |
| BMOD | Plot block model for gravity |
| centroid | centroid |
| desh | Display Mesh |
| DGzx | Gravity anomaly in 2.5D |
| dircheck | Check direction of polygon |
| DO.DYKE | Heat for Dyke Intrusion |
| DO.HALFSPACE | Heat Equation in Halfspace |
| dofry | Fry Estimation |
| DoMohr | Mohr's Circle |
| DoMohrFig1 | Annotated Stress Tensor |
| draw.brachiopod | Draw Brachiopod |
| elipfit | Least Squares Ellipse |
| erf | Error Function |
| erfc | Error Function |
| erfinv | Error Function |
| flipZEE | Flip Z direction |
| geophys | Geophysics |
| get.brachiopod | Brachiopod icon |
| get.heat | Heat Equation Solution |
| get.heat2 | Heat Equation Solution |
| Glines | Igneous Petrology Lines |
| heat.sol | Heat Equation Solution |
| labelLine | Label a Line Segment |
| lipper | Ellipse calculator |
| Maxstress | Maximum Stress |
| ModelG | Interactive 2.5D Gravity Modeling |
| mogi1 | Mogi's model |
| mogiM | Mogi Model |
| mohrleg | Legend for Mohr |
| NinePointCircle | Nine Point Circle |
| NORMvec | Plot Normal Vector |
| okada85 | Okada Fault Deformation Model |
| perpproj | Perpendicular Projection |
| philpotts.erf | Error Function |
| PLOTbox | Plot 3D box |
| plotfry | Plot Fry Output |
| PLOTplane | Plot Plane on box |
| pointproj | Perpendicular Projection |
| points2line | Points to Line |
| PolarDecomp | Polar Decomposition |
| PPoints | Igneous Petrology Points |
| pstart | Start an empty plot |
| PXY | Deformation of a volcano |
| randFRY | Random data for Fry analysis |
| randpoles | Random Poles |
| REplane | Replot plane |
| rev2RH | Reverse to Right Hand |
| rot2Zplane | Rotate to Z-plane |
| Sect2vex | Intersect 2 Vectors |
| setSTRESS | Set Stress Tensor |
| Showfry | Show Fry Diagrams |
| stress | Stress Box |
| stressSETUP | Setup Stress Box |
| tauline | Shear Stress along Line |
| tauplane | Shear Stress along Line |
| TriangleCenter | Triangle Center |
| TriangleInfo | Triangle Information |
| vecproj | Vector Projection |
| vlength | vector length |
| xtractlip | Extract Convex Hull Ellipse from fry |